So, for example, if you have a pair of sweatpants on, usually the sweatpants will have an elastic band on the top so that if you are a little skinnier or a little fatter, the pants will still fit you.
所以,比如说,如果你穿
一条休闲裤,通常这条休闲裤会在腰部有一个松紧带, 这样不管你稍微瘦一点还是胖一点, 裤子都能合身。